Spark distinct算子学习使用详解
作者:高景洋 日期:2020-10-25 13:31:34 浏览次数:1181
distinct:
Rdd数据去重
示例代码：
def my_distinct(): data = [1,2,3,4,5] rdd1 =sc.parallelize(data) data2 = [2,3,4,9,10] rdd2 = sc.parallelize(data2) result = rdd1.union(rdd2).distinct()
print(result.collect())
输出结果：
[10, 1, 2, 3, 4, 5, 9]
本文永久性链接：
<a href="http://r4.com.cn/art155.aspx">Spark distinct算子学习使用详解</a>
<a href="http://r4.com.cn/art155.aspx">Spark distinct算子学习使用详解</a>
当前header:Host: r4.com.cn
X-Host1: r4.com.cn
X-Host2: r4.com.cn
X-Host3: 127.0.0.1:8080
X-Forwarded-For: 18.226.93.209
X-Real-Ip: 18.226.93.209
X-Domain: r4.com.cn
X-Request: GET /art155.aspx HTTP/1.1
X-Request-Uri: /art155.aspx
Connection: close
Accept: */*
User-Agent: claudebot